New function HornerForm has been added to the built-in Mathematica kernel.

New function PolynomialExtendedGCD has been added to the built-in Mathematica kernel.

ColumnsEqual is an option for the low-level function GridBox which specifies whether all columns in the grid should be assigned equal width.

End[] returns the present context, and reverts to the previous one.

FindMaximum[f, x] searches for a local maximum in f, starting from an automatically selected point.FindMaximum[f, {x, x_0}] searches for a local maximum in f, starting from ...

One significant advantage Mathematica provides is that it can symbolically compute derivatives. This means that when you specify Method->"Newton" and the function is ...

NonlinearRegress functionality is now available using the built-in function NonlinearModelFit.

FiniteAbelianGroupCount[n] gives the number of finite Abelian groups of order n.

MinimalPolynomial[s, x] gives the minimal polynomial in x for which the algebraic number s is a root.

PrivatePaths -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for paths private to the notebook front end.